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    jrjones88

    @jrjones88

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    Best posts made by jrjones88

    • RE: Infill slight underextrusion

      Well I think I found the main culprit, after going through and tweaking all my accels and retraction settings, at least in PrusaSlicer.
      I had "Only retract when crossing perimeters" turned on, which caused a bunch of my oozing.

      But getting my acceleration and travel moves better tuned also proved benificial.
      I found I could bump up all the accelerations by quite a bit, as well as the travel move speed which improved stringing as well.

      Still have slight gaps inbetween the gyroid layers, but that could be because it's only 5% infill.
      Thanks for your input Phaedrux.
      alt text

      posted in Tuning and tweaking
      jrjones88
      jrjones88

    Latest posts made by jrjones88

    • RE: DWC2 Uploading large Gcode files results in network error

      @chrishamm said in DWC2 Uploading large Gcode files results in network error:

      Please try to upgrade to DWC 2.0.5. The new version no longer relies on the "axios" library for HTTP calls but uses native AJAX calls instead, so I hope this will solve your problem.

      I've haven't been able to test it for a while, but I've since upgraded to 2.0.7 and while I do have a higher success rate, the odd time the upload still fails.

      I've attached 3 wireshark traces of failed uploads here: https://1drv.ms/u/s!AgTPtiCYHi3hh8oNZ5d6wYz7VkdVzQ?e=pKpMUd

      posted in Duet Web Control
      jrjones88
      jrjones88
    • DWC2 Uploading large Gcode files results in network error

      I seem to be unable to upload larger >3 MB with DWC2, I always get a network error.
      I have no issues uploading the same file when I revert to DWC1.

      I'm running 2.05 (just went from 2.04 in case that was the problem) but I have the same issues.
      I know the wifi signal strength is on the 'low' side, but if I have no issues uploading in DWC1, then why can't I upload with DWC2?

      Board: Duet WiFi 1.0 or 1.01
      Firmware: RepRapFirmware for Duet 2 WiFi/Ethernet 2.05 (2019-12-13b1)
      Duet WiFi Server Version: 1.23

      M122
      === Diagnostics ===
      RepRapFirmware for Duet 2 WiFi/Ethernet version 2.05 running on Duet WiFi 1.0 or 1.01
      Board ID: 08DAM-999TL-MQ4S8-6J1FL-3SN6S-9QBRX
      Used output buffers: 1 of 24 (10 max)
      === RTOS ===
      Static ram: 25712
      Dynamic ram: 92696 of which 304 recycled
      Exception stack ram used: 272
      Never used ram: 12088
      Tasks: NETWORK(ready,628) HEAT(blocked,1232) MAIN(running,3800) IDLE(ready,160)
      Owned mutexes:
      === Platform ===
      Last reset 00:07:28 ago, cause: software
      Last software reset at 2020-01-08 11:06, reason: User, spinning module GCodes, available RAM 12396 bytes (slot 2)
      Software reset code 0x0003 HFSR 0x00000000 CFSR 0x00000000 ICSR 0x0441f000 BFAR 0xe000ed38 SP 0xffffffff Task 0x4e49414d
      Error status: 0
      Free file entries: 10
      SD card 0 detected, interface speed: 12.0MBytes/sec
      SD card longest block write time: 166.0ms, max retries 0
      MCU temperature: min 32.0, current 32.6, max 34.0
      Supply voltage: min 12.7, current 12.8, max 13.0, under voltage events: 0, over voltage events: 0, power good: yes
      Driver 0: standstill, SG min/max not available
      Driver 1: standstill, SG min/max not available
      Driver 2: standstill, SG min/max not available
      Driver 3: standstill, SG min/max not available
      Driver 4: standstill, SG min/max not available
      Date/time: 2020-01-09 10:32:44
      Cache data hit count 1403011763
      Slowest loop: 53.11ms; fastest: 0.06ms
      I2C nak errors 0, send timeouts 0, receive timeouts 0, finishTimeouts 0, resets 0
      === Move ===
      Hiccups: 0, FreeDm: 160, MinFreeDm: 160, MaxWait: 0ms
      Bed compensation in use: none, comp offset 0.000
      === DDARing ===
      Scheduled moves: 0, completed moves: 0, StepErrors: 0, LaErrors: 0, Underruns: 0, 0
      === Heat ===
      Bed heaters = 0 -1 -1 -1, chamberHeaters = 2 -1
      Heater 1 is on, I-accum = 0.0
      === GCodes ===
      Segments left: 0
      Stack records: 2 allocated, 0 in use
      Movement lock held by null
      http is idle in state(s) 0
      telnet is idle in state(s) 0
      file is idle in state(s) 0
      serial is idle in state(s) 0
      aux is idle in state(s) 0
      daemon is idle in state(s) 0
      queue is idle in state(s) 0
      autopause is idle in state(s) 0
      Code queue is empty.
      === Network ===
      Slowest loop: 189.51ms; fastest: 0.01ms
      Responder states: HTTP(0) HTTP(0) HTTP(0) HTTP(0) FTP(0) Telnet(0) Telnet(0)
      HTTP sessions: 1 of 8
      - WiFi -
      Network state is running
      WiFi module is connected to access point 
      Failed messages: pending 0, notready 0, noresp 0
      WiFi firmware version 1.23
      WiFi MAC address 5c:cf:7f:2b:eb:38
      WiFi Vcc 3.38, reset reason Turned on by main processor
      WiFi flash size 4194304, free heap 25936
      WiFi IP address 192.168.0.56
      WiFi signal strength -67dBm, reconnections 0, sleep mode modem
      Socket states: 0 0 0 0 0 0 0 0
      

      I saw that in the above M122, the SD card longest block write time: 166.0ms is pretty long, but I did a few subsequent M122 and the longest block write time is 0ms

      posted in Duet Web Control
      jrjones88
      jrjones88
    • RE: Infill slight underextrusion

      Well I think I found the main culprit, after going through and tweaking all my accels and retraction settings, at least in PrusaSlicer.
      I had "Only retract when crossing perimeters" turned on, which caused a bunch of my oozing.

      But getting my acceleration and travel moves better tuned also proved benificial.
      I found I could bump up all the accelerations by quite a bit, as well as the travel move speed which improved stringing as well.

      Still have slight gaps inbetween the gyroid layers, but that could be because it's only 5% infill.
      Thanks for your input Phaedrux.
      alt text

      posted in Tuning and tweaking
      jrjones88
      jrjones88
    • RE: Infill slight underextrusion

      @Phaedrux said in Infill slight underextrusion:

      Do you notice the same thing on other infill patterns that don't have unsupported overhangs? Like grid, or cubic?

      I tried grid, and at first glance it is better, but where the extruder starts the grid pattern there is still underextrustion, but it is much harder to see. And hard to photograph:
      alt text

      alt text
      alt text

      But I think the issue is probably with my retraction settings. I did go through the 'wizard' in KISSlicer, but it still needs tweaking. Do you happen to have a link to a good guide for that? I never spotted the guide for the volumetric extrusion but it's much easier to follow than others I found.

      posted in Tuning and tweaking
      jrjones88
      jrjones88
    • RE: Infill slight underextrusion

      @Phaedrux said in Infill slight underextrusion:

      @jrjones88 said in Infill slight underextrusion:

      I had found the max volumetric flowrate for my hot end to be ~7.5mm^3/sec

      PrusaSlicer allows you to set a volumetric speed limit on the speeds tab. This would cap your movement speeds to automatically stay within the limit.

      I had forgotten I had set that a while ago in Prusaslicer...

      Printed it out again with the max speeds set to 45mm/sec, and I guess the volumetric speed limit was in play for the previous prints as I can't really see too much of a difference.
      Top take 2
      Top take 2-1

      posted in Tuning and tweaking
      jrjones88
      jrjones88
    • RE: Infill slight underextrusion

      Thanks!
      I had found the max volumetric flowrate for my hot end to be ~7.5mm^3/sec (long bowden) but hadn't calculated the max speeds for that before.

      Would make my max speed 44.6 mm/s so I'll try dropping the speeds a bit.

      I always thought I was printing slow because other Rostock users self reported speeds of up to 100mm/sec.

      posted in Tuning and tweaking
      jrjones88
      jrjones88
    • Infill slight underextrusion

      I can't seem to get the infill in my prints to come out nicely. They always are a bit underextruded.
      I've calibrated the extruder, and the solid layers and perimeters print out as I expect.

      Just on infill, and I've noticed it on support structures a bit too, it seems to be underextruding.
      I've used PrusaSlicer, KISSlicer, Cura, and I seem to get the same results.
      I thought that the issue was adaptive layer heights, but I still get it a little bit with that feature turned off.

      Any tips/ideas of how to improve this?
      I thought I had my speeds on the conservative side (45 mm/s perimeters, 60mm/s infill)
      Some pictures:
      Top1
      Top2

      Gcode of the print:Circle Test.gcode
      Printer settings: config.g
      Duet Firmware:
      Board: Duet WiFi 1.0 or 1.01
      Firmware: RepRapFirmware for Duet 2 WiFi/Ethernet 2.04RC1 (2019-07-14b1)
      Duet WiFi Server Version: 1.23

      My printer is a Rostock Max V2

      posted in Tuning and tweaking
      jrjones88
      jrjones88
    • RE: Can't upload "large" files

      @exerqtor
      Where I have my printer connected to is similar, and I'm not getting any issues uploading, so I would say that -70dBm is good enough.

      I have -71dBm connected through a Ubiquiti AP-AC-LR
      Unifi reports a -65 dBm signal and a TX rate of 65 Mbps
      I have speeds of around 200-250 kb/s as well, which I had before too located closer to an AP.

      FYI my phone connected to the same AP has a self reported signal of -65dBM and a TX rate of 130 Mbps, while Unifi reports it has a -82 dBm signal and TX rate of 234 Mbps. My phone is about 4 meters further away from the AP.

      posted in General Discussion
      jrjones88
      jrjones88
    • RE: Yet another cast aluminum plate topic...

      @wyvern said in Yet another cast aluminum plate topic...:

      Not to take over the thread, but has anyone used 3M 468MP to attach a mirror to an aluminum bed?

      I hate hate hate hate hate clips or the likes, they get in the way and reduce build area.

      I restrain my glass plate in 3 directions from the side. I still need to modify (improve) it since the heat cycling loosens the screws over time, but the aluminum is flat enough that after polishing it, if I lift only the glass, the aluminum sticks to it for a few seconds and is lifted up as well.
      I usually have to slide the glass plate off the aluminum plate to separate them.
      I was using the binder clips before but found that it warped the glass slightly because they clamped at the very edge of the glass.

      posted in General Discussion
      jrjones88
      jrjones88
    • RE: Yet another cast aluminum plate topic...

      Here is another place that sells off cuts of cast aluminum, out of California: http://www.sandsmachine.com/alumweb.htm

      posted in General Discussion
      jrjones88
      jrjones88